public class Test {
    public static void main(String[] args) {
        CPU cpu = new CPU();
        cpu.setSpeed(2200);
        HardDisk hardDisk = new HardDisk(1);
        hardDisk.setCapacity(200);

        PC pc = new PC();
        pc.setCPU(cpu);
        pc.setHardDisk(hardDisk);
        pc.show();
    }
}